Home / 153,143.28-229,480.44-103,037.76

Finding the Fourth Proportional to 153,143.28, 229,480.44 and 103,037.76

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Solution

The fourth proportional to 153,143.28, 229,480.44 and 103,037.76 is: 154,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,143.28 : 229,480.44 = 103,037.76 : x
  2. Step 2: Convert to fraction form
    153,143.28/229,480.44 = 103,037.76/x
  3. Step 3: Cross multiply
    153,143.28x = 229,480.44 × 103,037.76
  4. Step 4: Simplify right side
    153,143.28x = 23,645,150,501.41
  5. Step 5: Solve for x
    x = 23,645,150,501.41/153,143.28
  6. Step 6: Final answer
    x = 154,398.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.